Grade 2 hypertension cannot be cured. Hypertension belongs to a chronic disease, and at present hypertension cannot be cured medically because its pathogenesis is very diverse, but it can be controlled. grade 2 hypertension is defined as systolic blood pressure ≥ 160 mmHg and diastolic blood pressure ≥ 100 mmHg. patients need to take oral antihypertensive drugs, and they cannot stop taking them easily. Clinical must distinguish whether the pathogenesis of hypertension is primary or secondary. Some secondary hypertension, including short-term hypertension, pseudohypertension, is caused by the patient’s work tension, emotional excitement, insomnia, high stress, after moderate relaxation, lifestyle improvement, blood pressure can return to normal, the patient does not need long-term medication. However, if the patient’s blood pressure is still higher than the normal standard after improvement through lifestyle, he/she needs to take medication for a long period of time, and regularly visit the doctor for review and adjustment according to the effect of medication.